EP0494462A3 - A detector for use with an automatic disconnect feature in a telephone answering machine - Google Patents

A detector for use with an automatic disconnect feature in a telephone answering machine Download PDF

Info

Publication number
EP0494462A3
EP0494462A3 EP19910122415 EP91122415A EP0494462A3 EP 0494462 A3 EP0494462 A3 EP 0494462A3 EP 19910122415 EP19910122415 EP 19910122415 EP 91122415 A EP91122415 A EP 91122415A EP 0494462 A3 EP0494462 A3 EP 0494462A3
Authority
EP
European Patent Office
Prior art keywords
detector
answering machine
telephone answering
disconnect feature
automatic disconnect
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910122415
Other versions
EP0494462A2 (en
EP0494462B1 (en
Inventor
Henry Hon-Iao Kuok
Frank Daniel Jaskulski
John Herbert Livingston
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Publication of EP0494462A2 publication Critical patent/EP0494462A2/en
Publication of EP0494462A3 publication Critical patent/EP0494462A3/en
Application granted granted Critical
Publication of EP0494462B1 publication Critical patent/EP0494462B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Manipulation Of Pulses (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Optical Communication System (AREA)
EP91122415A 1991-01-07 1991-12-31 A detector for use with an automatic disconnect feature in a telephone answering machine Expired - Lifetime EP0494462B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US638501 1991-01-07
US07/638,501 US5259022A (en) 1991-01-07 1991-01-07 Detector for use with an automatic disconnect feature in a telephone answering machine

Publications (3)

Publication Number Publication Date
EP0494462A2 EP0494462A2 (en) 1992-07-15
EP0494462A3 true EP0494462A3 (en) 1992-12-09
EP0494462B1 EP0494462B1 (en) 1996-09-11

Family

ID=24560306

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91122415A Expired - Lifetime EP0494462B1 (en) 1991-01-07 1991-12-31 A detector for use with an automatic disconnect feature in a telephone answering machine

Country Status (8)

Country Link
US (1) US5259022A (en)
EP (1) EP0494462B1 (en)
JP (1) JP2623186B2 (en)
KR (1) KR100255104B1 (en)
CN (1) CN1029062C (en)
DE (1) DE69122073T2 (en)
MY (1) MY108122A (en)
SG (1) SG83629A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442685A (en) * 1990-06-13 1995-08-15 Matsushita Electric Industrial Co., Ltd. Automatic telephone answering apparatus including conversion recording mode
US5912948A (en) * 1996-12-10 1999-06-15 Vertizon Corporation Automatic screening apparatus and method for use with telephone answering devices
US5920623A (en) * 1997-06-18 1999-07-06 Vera-A-Fast Method and apparatus for defeating a predictive telemarketing system
WO2000060840A2 (en) 1999-04-01 2000-10-12 Callwave, Inc. Method and apparatus for providing expanded telecommunications service
US7409048B2 (en) 2004-12-09 2008-08-05 Callwave, Inc. Call processing and subscriber registration systems and methods

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444999A (en) * 1982-08-23 1984-04-24 Sparrevohn Frederic R Automatic electronic disconnector for subscriber terminal equipment
US4833703A (en) * 1987-06-09 1989-05-23 Asahi Electronics Co., Ltd. On-hook control circuit for answering machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139433U (en) * 1974-09-17 1976-03-24
JPS52105870A (en) * 1976-03-03 1977-09-05 Hitachi Ltd Absolute-value comparing circuit
US4311879A (en) * 1980-06-02 1982-01-19 Gte Automatic Electric Labs Inc. AC Supervisory signal detector circuit
US4392023A (en) * 1980-11-17 1983-07-05 Transaction Technology, Inc. Off-hook telephone sensing system
US4523056A (en) * 1982-12-27 1985-06-11 Reliance Electric Company Telephone including resistive array for dialing and system for using such telephone
JPS6313455A (en) * 1986-07-02 1988-01-20 Hashimoto Corp Automatic answering telephone system using voice synthesizing device to response term
JPS63260254A (en) * 1987-04-16 1988-10-27 Sanyo Electric Co Ltd Automatic answering telephone controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444999A (en) * 1982-08-23 1984-04-24 Sparrevohn Frederic R Automatic electronic disconnector for subscriber terminal equipment
US4833703A (en) * 1987-06-09 1989-05-23 Asahi Electronics Co., Ltd. On-hook control circuit for answering machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 078 (E-718)22 February 1989 & JP-A-63 260 254 ( SANYO ELECTRIC CO LTD ) *

Also Published As

Publication number Publication date
JPH0556138A (en) 1993-03-05
SG83629A1 (en) 2001-10-16
CN1063185A (en) 1992-07-29
EP0494462A2 (en) 1992-07-15
JP2623186B2 (en) 1997-06-25
DE69122073T2 (en) 1997-01-23
US5259022A (en) 1993-11-02
KR920015827A (en) 1992-08-27
KR100255104B1 (en) 2000-05-01
CN1029062C (en) 1995-06-21
MY108122A (en) 1996-08-15
DE69122073D1 (en) 1996-10-17
EP0494462B1 (en) 1996-09-11

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